1) two-time upsetting and stretching
两次镦拔
1.
In the two-time upsetting and stretching technology,the choice of anvil ratio W/H of wide and high,blank ratio B/H of wide and high,forging ratio △H/H every time is an important supplement of WHF forging method.
总结的两次镦拔锻造新工艺具有可靠性高,锻透效果好,可控制钢中夹杂物的形态和对坯料内部缺陷进行修复的独特作用,是一种新颖的大锻件锻造工艺。
2) two times upsetting and stretching
两次镦拔工艺
1.
Study on heating process before two times upsetting and stretching for heavy forgings;
大型挤压辊锻件两次镦拔工艺锻前加热研究
4) two-step upsetting forming
两次镦粗成形
1.
The two-step upsetting forming of FGH96 powder metallurgy(P/M) disc preform was simulated with different circular radius dies.
采用商用有限元软件,对FGH96合金盘坯的两次镦粗成形工艺进行了有限元数值模拟。
5) two-pass drawing
两道次拉拔
1.
The dynamic models and elasto-plastic finite element models of the non-plug and with-plug processes were established for the two-pass drawing process of an aluminium tube from circular to rectangular section,and then the simulation was performed.
针对铝合金管由圆形截面变形至矩形截面的两道次拉拔过程,相应建立了空拉拔和带芯头拉拔工艺的运动模型及弹塑性有限元模型,并进行了模拟分析。
6) axial upsetting and rolling
轴向镦拔
补充资料：英拔
1.出众。
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